/** * Copyright 2016-2023 * * Bernd-Christian Renner, and * Hamburg University of Technology (TUHH). * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * 3. Neither the name of the copyright holder nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "aci.h" #include "aci/types/test_noise_cmd.h" #include "aci_test_noise.h" #include <hal_adda.h> /************************************************************************** * private prototypes */ /************************************************************************** * private functions */ /************************************************************************** * public functions */ bool aci_test_noise_processCmd(const mm_packet_t * pkt) { uint16_t i, j; uint16_t idx; // prevent any wrap arounds when using uint8 fp32_t scale; fp16_t testSig[TX_SAMPLES_PER_SYMBOL]; aci_test_noise_cmd_t * p = (aci_test_noise_cmd_t *)pkt->payload; // sanity check if (pkt->header.len != sizeof(aci_test_noise_cmd_t)) { return false; } // obtain and check parameters if (p->step < 1) { p->step = 1; } if (p->dur < 1) { p->dur = 1; } // get scaling if (p->gc) { scale = 0; for (idx = 0; idx < FREQ_LIST_NUM; idx += p->step) { scale += freq_getTxGainByIndex(idx); } } else { scale = FP_ONE * (FREQ_LIST_NUM / p->step); // automatic floor } // prepare test signal for (i = 0; i < TX_SAMPLES_PER_SYMBOL; i++) { fp32_t tmp; tmp = 0; for (idx = 0; idx < FREQ_LIST_NUM; idx += p->step) { tmp += FREQ_TXLIST[idx][i]; } testSig[i] = (fp16_t)fp32_div(tmp, scale); } // init tx mode adda_activateTransmission(); for (j = 0; j < p->dur; j++) { // send out next frequency for (i = 0; i < TX_SAMPLES_PER_SYMBOL; i++) { adda_setSample(testSig[i]); } } adda_setNeutralSample(); // wait until transmitter runs out of samples while (adda_hasSample()) { ; } // return to rx mode adda_activateSampling(); return true; } uint8_t aci_test_noise_fillReply(uint8_t * payload) { return 0; }